---
title: "Hatsukoi Master Up"
description: "The protagonist Nagatomi Yukihisa, has a past which ended his youth in disappointment. Several years after graduating――While living his life without making any "
image: "https://t.vndb.org/cv/99/110099.jpg"
---

# Hatsukoi Master Up

![Hatsukoi Master Up](https://t.vndb.org/cv/99/110099.jpg)

**Alternative Title:** 初恋マスターアップ

**Aliases:** 恋マス, KoiMasu

**Developer:** Azarashi Soft

**Release date:** May 30, 2025

**Platform:** Windows, Switch

**Language:** Japanese, English, Indonesian, Chinese (simplified)

**Rating:** 7.0/10 (68 votes)

## Description
The protagonist Nagatomi Yukihisa, has a past which ended his youth in disappointment. Several years after graduating――While living his life without making any change, he is informed that his estranged father has left him a vast amount of fortune, including his house as his inheritance.

Yukihisa suddenly comes into a lot of money, and taking his aunt's advice, he decides to revisit something left unfinished during his youth――Making a video game.

Thus begins assembling​ staff members.
A former associate​, now a popular illustrator, Ichijiku Konoka.
A childhood friend, supporting Yukihisa in reuniting the team, Manganji Urara.
And a new member, taking Yukihisa's place as the lead writer, Hawa Wakana.

This is a story of an awkward boy and girls revisiting their youths. While being supported by many people, what kind of future awaits Yukihisa and his friends――

[Translated and edited from the [official website](https://azarashi-soft.nexton-net.jp/koimasu/#story)]

## Characters
### Nagatomi Yukihisa (永富 幸寿)
- **Gender:** Male
- **Role:** Video Game Developer

### Hawa Wakana (波羽 若奈)
A college student working part-time at a video game retailer who loves writing novels. She used to upload her work on the Internet, and in the past, she had received an offer for her work to be officially published. However, she could not bear the excessive interference from the publisher and eventually turned them down. It became a traumatic event for her, so she now thinks of writing novels as just a hobby. She wears loose clothes to conceal her chest, but is still unable to hide it completely.

- **Gender:** Female
- **Measurements:** Height: 158cm, Bust-Waist-Hips: 103-62-96cm, J cup
- **Birthday:** 13 July
- **Hair:** Black, Waist Length+, Eye Covering
- **Body:** Slim, Pale, Young-adult, Inverted Nipples, Huge Breasts
- **Eyes:** Amber
- **Clothes:** Shirt, Vest, Skirt, Panties, Bra, Ankle Boots, Off-The-Shoulder Sweater
- **Role:** Writer, University Student, Part-time Worker
- **Voiced by:** Mizuki

### Ichijiku Konoka (九 恋乃香)
A third-year college student, she was a member of [url=/c150926]Yukihisa[/url]'s team but is now a famous illustrator. However, she is bad at socializing and doesn't have any close friends at college. Although Yukihisa has asked her to rejoin his team, she initially declined, saying it's time to start job hunting. Her cold attitude towards him seems to stem from an unfortunate incident during their school days.

- **Gender:** Female
- **Measurements:** Height: 160cm, Bust-Waist-Hips: 92-59-90cm, G cup
- **Birthday:** 30 April
- **Hair:** Brown, Shoulder-length
- **Eyes:** Brown
- **Body:** Slim, Pale, Young-adult, Big Breasts
- **Clothes:** Jacket, Jeans, Boots, Panties, Bra, Blouse, Bracelet
- **Role:** Wife, University Student, Famous, Illustrator
- **Voiced by:** Kitami Rikka

### Manganji Urara (万願寺 うらら)
[url=/c150926]Yukihisa[/url]'s childhood friend and current employer. She owns a popular [i]doujin[/i] circle called "URARARARA," earning money from her sales. Even though she is playful and likes teasing others, deep down she prioritizes her friends more than anything.

- **Gender:** Female
- **Measurements:** Height: 153cm, Bust-Waist-Hips: 86-56-82cm, F cup
- **Birthday:** 6 June
- **Hair:** Red, Ahoge, Side Tail, Side Bun
- **Body:** Slim, Pale, Young-adult, Medium Breasts
- **Clothes:** Sweater, Panties, Bra, Blouse, Ribbon Tie, Pinafore Dress, Mary Jane
- **Role:** Orphan, Mother, Childhood Friend
- **Eyes:** Green
- **Personality:** Friendly, Mischievous
- **Voiced by:** Sayama Rin

### Kadenokouji Shizuri (勘解由小路 静里)
[url=/c151228]Wakana[/url]'s former editor from the company "Kaihyou Publishing." She had hoped to collaborate with Wakana in creating more works together but ended in failure due to excessive interference from her seniors. She feels responsible for breaking Wakana's spirit, and even though they no longer work together, she still drops by Wakana's workplace to check on her, but does not have the courage to talk to her.

- **Gender:** Female
- **Alias:** Kadenokouji Sizuri
- **Measurements:** Height: 164cm, Bust-Waist-Hips: 100-60-98cm, I cup
- **Birthday:** 28 January
- **Hair:** Brown, Shoulder-length
- **Body:** Slim, Pale, Young-adult, Huge Breasts
- **Personality:** Airhead
- **Role:** Girlfriend, Office Lady, Editor
- **Clothes:** Hairpin, Skirt Suit
- **Eyes:** Teal
- **Voiced by:** Shimashima Hakase

### Kayabuki Hazuki (茅吹 葉月)
The heroine of "[url=/v31432]Makimura Hazuki no Koigatari[/url]," appearing as a guest character. A little while ago, she got married, and has changed her last name. She is still a film geek, and in addition to her work creating independent films, she works part-time at a video rental store.

- **Gender:** Female
- **Hair:** Antenna, Shoulder-length, Intake, Grey, Expressive Ahoge
- **Body:** Slim, Pale, Young-adult
- **Eyes:** Violet, Red, Pink, Tareme, Central Heterochromia
- **Clothes:** Glasses, Hair Ribbon, Necklace, Unusual Hair Ornaments, Pleated Skirt, Mary Jane, Sleeveless Sweater
- **Role:** Wife, Part-time Worker, Film Director
- **Engages in:** Not Sexually Involved
- **Voiced by:** Kitami Rikka

### Kururugi Haruruka (枢木 ハルルカ)
An all‐rounder who works with [url=/c151230]Urara[/url]. Because "talking is bothersome," she uses a self-made text-to-speech program called "Yondamon" to communicate with others. However, depending on the time and situation, she sometimes talk directly with others. At that time, her words are a bit inarticulately.

- **Gender:** Female
- **Measurements:** Height: 146cm, Bust-Waist-Hips: 86-54-84cm, G cup
- **Birthday:** 19 September
- **Hair:** Black, Pink, Long, Side Tail, Dyed
- **Body:** Slim, Pale, Young-adult, Nail Polish, Small Breasts
- **Eyes:** Blue
- **Clothes:** Hair Ribbon, Jacket, Boots, Pantyhose, Hoodie, Tank Top, Hairpin, Headphones, Pleated Skirt, Choker
- **Items:** Mobile Phone
- **Voiced by:** Amaki Hiyori

### Shoufuku Anju (招福 安寿)
A guest character from "[url=/v31432]Makimura Hazuki no Koigatari[/url]," she is [url=/c150926]Yukihisa[/url]'s aunt who manages a rundown apartment called "Shoufuku-sou." She can handle anything because she is the "Landlady." Despite her young appearance, she is almost fifty years old.

- **Gender:** Female
- **Hair:** Black, Short, Straight, Blunt Bangs
- **Eyes:** Brown, Tareme, Slit Pupils
- **Body:** Teen, Slim, Pale, Younger Appearance
- **Clothes:** Kimono, Zouri
- **Role:** Aunt, Yamato Nadeshiko, Landlord
- **Engages in:** Not Sexually Involved
- **Voiced by:** Hachiko

### Kayabuki Rika (茅吹 梨花)
Akira's mother, who is strict with both herself and others. She is very strict about Akira's future and career, and has completely degraded her relationship with him. Due to how she speaks calmly and without hesitation, she is often misunderstood as being angry all the time.

The reason why she is so strict with her son has to do with her past experiences.

[Translated from [url=http://www.getchu.com/soft.phtml?id=1138957]Getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 160cm, Bust-Waist-Hips: 80-58-82cm
- **Hair:** Black, Waist Length+, Straight, Eye Covering
- **Body:** Slim, Pale, Adult, Mole
- **Clothes:** Trousers, Suit, Court Shoes, Formal Shirt
- **Eyes:** Blue, Tsurime
- **Personality:** Stoic, Strict, Blunt
- **Role:** Widow, Mother, Roommate, Actor
- **Engages in:** Filming, Not Sexually Involved
- **Subject of:** Filming

### Sasaragawa Mayuka (佐々羅川 繭香)
She has been living in the house since before Hazuki, and is difficult to look after. She works at night and sleeps most of the time during the day, but she gets along well with Hazuki and Anju, acting as their big sister. She likes Akira as soon as she meets him, and sometimes pesters him because he is a boy of her age.

[Translated from [url=http://www.getchu.com/soft.phtml?id=1138957]Getchu[/url]]

- **Gender:** Female
- **Measurements:** Height: 165cm, Bust-Waist-Hips: 105-64-95cm
- **Hair:** Waist Length+, Curtained, Straight, Parted in Middle, Orange, Sidehair
- **Body:** Slim, Pale, Adult, Huge Breasts
- **Eyes:** Green, Tsurime
- **Engages in:** Drinking, Teasing, Not Sexually Involved
- **Role:** Roommate, Neighbor
- **Clothes:** Sandals, Off-The-Shoulder Sweater
- **Subject of:** Filming
- **Personality:** Mischievous

## Shops
- [Official Website](https://azarashi-soft.nexton-net.jp/koimasu/)

## Releases
### Japanese
- **2025-05-09**: Hatsukoi Master Up - Trial Edition - [Official website](https://azarashi-soft.nexton-net.jp/koimasu/trial.html)
- **2025-05-30**: Hatsukoi Master Up - Deluxe Edition - [Official website](https://azarashi-soft.nexton-net.jp/koimasu/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=37569)
- **2025-05-30**: Hatsukoi Master Up - Download Edition - [Official website](https://azarashi-soft.nexton-net.jp/koimasu/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=37569), [DMM](https://dlsoft.dmm.co.jp/detail/next_0442)
- **2025-05-30**: Hatsukoi Master Up - Deluxe Download Edition - [Official website](https://azarashi-soft.nexton-net.jp/koimasu/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=37569), [DMM](https://dlsoft.dmm.co.jp/detail/next_0442/)
- **2025-05-30**: Hatsukoi Master Up - Regular Edition - [Official website](https://azarashi-soft.nexton-net.jp/koimasu/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=37569)
- **2025-12-18**: Hatsukoi Master Up - [Official website](https://imel.co.jp/koimasu/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=39877), [Nintendo (JP)](https://store-jp.nintendo.com/item/software/D70010000103560)

### English
- **2025-05-30**: Hatsukoi Master Up (Kimi K2) - [Official website](https://mega.nz/file/iZd3VIaA#6gE3pa3diS8a4bWDakEofsWhnl1vP44Qn5O75KAaMrk)

### Indonesian
- **2025-06-11**: Hatsukoi Master Up - [Official website](https://alyappy.blogspot.com/2025/06/hatsukoi-master-up-bahasa-indonesia.html)

### Chinese (simplified)
- **TBA**: Chulian Master Up - [Official website](https://tieba.baidu.com/p/10892362848)

## Tags
Romance, Artist Heroine, Writer Heroine, Design Story, Male Protagonist, Super Deformed CGs, Protagonist's Childhood Friend as a Heroine, ADV, Music Recollection, University Student Heroine, Breaking the Fourth Wall

## More Games from Azarashi Soft
- [Amakano](https://pinovel.net/v15679)
- [Royal Garden ~Otome ni Koi Suru Ouji no Gikyoku~](https://pinovel.net/v17826)
- [Amakano ~Second Season~](https://pinovel.net/v17843)
- [Amakano+](https://pinovel.net/v19810)
- [Aikagi](https://pinovel.net/v20232)
- [Amakano ~Second Season~+](https://pinovel.net/v21675)
- [Aikagi ~After Days~](https://pinovel.net/v22037)
- [Aibeya](https://pinovel.net/v24619)
- [Maid-san no Iru Kurashi](https://pinovel.net/v24620)
- [Aikagi 2](https://pinovel.net/v24618)
- [Azasumi ~Azatokute Sumi ni Okenai Kanojo~](https://pinovel.net/v27462)
- [Amakano 2](https://pinovel.net/v26307)
- [Aibeya 2](https://pinovel.net/v29052)
- [Osananajimi no Iru Kurashi](https://pinovel.net/v30213)
- [Aikagi 3](https://pinovel.net/v30214)
- [Toshishita Kanojo](https://pinovel.net/v30215)
- [Tomodachi Kara Koibito e](https://pinovel.net/v28562)
- [Amaemi -longing for you-](https://pinovel.net/v32183)
- [Amanatsu](https://pinovel.net/v34848)
- [Asuka-san wa Nabikanai](https://pinovel.net/v37843)
- [Amakano 2+](https://pinovel.net/v31813)
- [Amanatsu+](https://pinovel.net/v47551)
- [Maid-san no Iru Kurashi S](https://pinovel.net/v47555)
- [Kira☆Kano](https://pinovel.net/v50832)
- [Toshiue Kanojo](https://pinovel.net/v47553)
- [Hatsukoi Master Up](https://pinovel.net/v47552)
- [Amakano 3](https://pinovel.net/v50215)
- [Toshiue Kanojo 2](https://pinovel.net/v61216)
- [Aibeya 3](https://pinovel.net/v61200)

---
*View the full details at [pinovel.net/v47552](https://pinovel.net/v47552).*

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```